package com.hp.attendance.serlvet.menu;

import com.hp.attendance.entity.Menu;
import com.hp.attendance.entity.PageInfo;
import com.hp.attendance.entity.dto.MenuDto;
import com.hp.attendance.service.MenuService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.sql.SQLException;

@WebServlet("/getMenuPage")
public class MenuPageServlet extends HttpServlet {
    private MenuService menuService = new MenuService();

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //分页查询
        try {
            String pageNo = req.getParameter("pageNo");
            if(pageNo==null ||"".equals(pageNo.trim())){
                pageNo="1";
            }
            PageInfo<MenuDto> page = menuService.getPage(Integer.parseInt(pageNo), 10);
            req.setAttribute("page",page);
            req.getRequestDispatcher("/pages/menu_list.jsp").forward(req,resp);
        } catch (SQLException throwables) {
            throwables.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}
